Software Engineer in Test

JR United Kingdom; Doncaster; On-site; GBP 30,000 - 45,000; Full time

Job summary

A fast-growing security training company is seeking a QA Engineer / Software Development Engineer in Test to ensure high-quality, secure software development. This role involves testing Java-based systems and implementing automated testing strategies to enhance software reliability and performance.

Benefits

Competitive salary and benefits package.

Opportunities for learning and growth.

Remote work options.

Career development support.

Qualifications

• 2+ years of experience in QA/testing, preferably in a backend-heavy Java environment.
• Hands-on experience with test automation frameworks (JUnit, TestNG, Selenium).
• Strong problem-solving skills and attention to detail.

Responsibilities

• Design, develop, and maintain test plans and automated test scripts for Java systems.
• Validate REST APIs, backend services, and browser-based interfaces.
• Identify, document, and track bugs through resolution in collaboration with development.

Skills

Test Automation

Problem-solving

Attention to detail

Collaboration

Education

2+ years in QA/testing

Solid understanding of Java

Tools

JUnit

Selenium

REST Assured

Git

Maven

Job description

Social network you want to login/join with:

We are a fast-growing security training company, and we're looking for a QA Engineer / Software Development Engineer in Test who is passionate about quality, reliability, and secure software development. In this role, you’ll be responsible for testing a Java-based codebase that powers our secure coding labs and training platform. Your mission is to ensure our software is reliable, robust, and meets the highest standards of quality.

Key Responsibilities

About the Role

We are a fast-growing security training company, and we're looking for a QA Engineer / Software Development Engineer in Test who is passionate about quality, reliability, and secure software development. In this role, you’ll be responsible for testing a Java-based codebase that powers our secure coding labs and training platform. Your mission is to ensure our software is reliable, robust, and meets the highest standards of quality.

Key Responsibilities

• Design, develop, and maintain test plans, test cases, and automated test scripts for Java-based systems, with a focus on both functionality and security.
• Perform functional, regression, integration, and system-level testing.
• Validate business logic, user workflows, and secure handling of data across our platform.
• Create and manage automated test suites using tools compatible with Java (e.g., JUnit, TestNG, Selenium, REST Assured).
• Validate REST APIs, backend services, browser-based interfaces, database interactions, and multi-threaded service components using manual and automated approaches.
• Participate in regression and exploratory testing to uncover edge-case issues.
• Participate in code reviews to understand the impact of code changes and define appropriate testing strategies.
• Monitor and maintain test environments; assist in CI/CD pipeline integration for automated testing.
• Identify, document, and track bugs through resolution in collaboration with the development team.
• Continuously improve testing processes, tools, and coverage with a focus on risk-based testing.

Required Qualifications

• 2+ years of experience in QA/testing, preferably in a backend-heavy Java environment.
• Solid understanding of Java, OOP principles, and the Java ecosystem.
• Hands-on experience with test automation frameworks (e.g., JUnit, TestNG, Selenium, REST Assured).
• Familiarity with version control systems (e.g., Git) and build tools (e.g., Maven or Gradle).
• Experience testing RESTful APIs and backend services.
• Strong problem-solving skills and attention to detail.
• Understanding of secure software development lifecycle.
• Familiarity with CI/CD tools such as Jenkins, GitLab CI, or GitHub Actions.
• Good communication skills and a collaborative mindset.

Preferred Qualifications

• Experience with performance/load testing tools (e.g., JMeter, Gatling).
• Exposure to common web application security issues (e.g., XSS, SQL injection, broken access control).
• Knowledge of SQL and experience verifying backend data consistency.
• Familiarity with containerized environments (Docker, Kubernetes).
• Familiarity with tools like Burp Suite, OWASP ZAP, or static analysis tools is a plus.

What We Offer

• Competitive salary and benefits package.
• Opportunities for learning, growth, and contributing to a product that makes a difference.
• Remote work and a supportive team culture.
• Continuous learning and career development support.